The Alphabet of Life

The alphabet of life [Excerpts]
   

DNA are three letters full of paradox. What they represent remains little understood by the public, yet they are on everyone's tongue. Amid the chatter of popular culture, the truth gets lost that DNA is one of the most powerful clues we have of the existence of a spiritual reality, maybe to the existence of God.

For a fee, DNA testing can shed light on anyone's genetic ancestry, including whether you have "Jewish genes." There is supposed to be a "God gene" for religious belief in general. And a "gay gene." And so on.

But all this is trivial compared to the largely unheralded insight gained from the Human Genome Project, completed in 2003. The insight is disturbing. It is that while DNA codes for the cell's building blocks, the information needed to build the rest of the creature is seemingly, in large measure, absent.

CONSIDER THE HOX "master" genes that supposedly determine the spatial configuration of the front and back ends of creatures as diverse as frogs, mice and humans. As British physician James Le Fanu writes in a fascinating new book, Why Us? How Science Rediscovered the Mystery of Ourselves (Pantheon), Swiss biologist Walter Gehring showed that "the same 'master' genes mastermind the three-dimensional structures of all living things... The same master genes that cause a fly to have the form of a fly cause a mouse to have the form of a mouse." The physically encoded information to form that mouse, as opposed to that fly, isn't there. Instead, "It is as if the 'idea' of the fly (or any other organism) must somehow permeate the genome that gives rise to it."

Such an understanding, of nature driven by a force outside nature, was dominant in biology before Darwin. Baron Georges Cuvier (1769-1832), director of Paris's Musee d'Histoire Naturelle, held that there was an unknown biological "formative impulse," an organizational principle of some kind that directed the formation of diverse kinds of life.

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[TBC: “I will praise you; for I am fearfully and wonderfully made: marvelous are your works; and that my soul knows right well” (Psalm:139:14I will praise thee; for I am fearfully and wonderfully made: marvellous are thy works; and that my soul knoweth right well.
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